<template>
 <div class="icons">
    <swiper :options="swiperOption">
        <swiper-slide v-for="(page, index) of pages" :key="index">
            <div class="icon" v-for="item of page" :key="item.id">
                <div class="icon-img">
                    <img class="icon-img-content" :src="item.imgUrl" alt="">
                </div>
                <p class="icon-desc">{{item.desc}}</p>
            </div>
        </swiper-slide>
    </swiper>
 </div>
</template>

<script type="text/ecmascript-6">

 export default {
 data () {
 return {
     swiperOption:{
        autoPlay:false
     }
 }
 },
 computed:{
     pages (){
         const pages = []
         this.iconList.forEach((item,index) =>{
             const page = Math.floor(index/8)
             if(!pages[page]){
                 pages[page]=[]
             }
             pages[page].push(item)
         })
         return pages
     }
 },
 props: {
     iconList:Array
 },
 components: {

 }
 }
</script>

<style lang="stylus" scoped>
    @import '~styles/varibles.styl'
    @import '~styles/mixins.styl'
    .icons >>> .swiper-container
        height:0
        padding-bottom:50%
    .icons
        margin-top:.2rem 
        .icon
            position :relative
            float:left
            width:25%
            height:0
            padding-bottom:25%
            .icon-img
                padding:.1rem
                position :absolute
                top:0
                left:0
                right:0
                bottom 0.44rem
                .icon-img-content
                    display :block
                    margin:0 auto
                    height :100%
            .icon-desc
                position :absolute
                left:0
                right:0
                bottom 0
                line-height :.44rem
                height:.44rem
                color:$darkTextColr
                text-align:center
                ellipsis()
</style>
